Ionic bonded materials are characterized by the following properties except .
A: hard
B: brittle
C: conductor
D: high melting temperature
A: hard
B: brittle
C: conductor
D: high melting temperature
举一反三
- Ionic compounds have the following properties except for ________. A: have high melting and boiling points. B: are soluble in water C: can conduct electricity D: shatter easily
- A "melting pot" means the following statements except ____. A: culture melting B: race melting C: language melting D: mind melting
- 3.3The following materials are widely used in high power machines except for . A: Unalloyed iron B: Nd2Fe14B permanent magnetic materials C: Aluminum-iron alloys D: Silicon-iron
- Crystals which are mainly formed by ionic bonding: A: high melting point B: poor plasticity C: low hardness D: solid conductive E: liquid non-conductive
- Walt Whitman’s poems are characterized by all the following features except that _____.